DR. MICHELLE EUNJOO LEE D.O.
NPI 1528592870
Emergency Medicine in La Palma, CA
About Dr. Michelle Eunjoo Lee D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MICHELLE EUNJOO LEE D.O. (NPI 1528592870) is an individual emergency medicine provider in La Palma, California, licensed in California (20A18224) and active in the NPI registry since April 2017. She is enrolled in Medicare PECOS and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Michelle Eunjoo Lee D.o. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Michelle Lee reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
La Palma, CA 90623
- Reassigned Medicare billing, California enrollment
- 62 clinicians in this Medicare group
Fullerton, CA 92833
- Reassigned Medicare billing, California enrollment
- 13,921 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 90623 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LA PALMA, CA 90623
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Michelle Lee's NPI number?
The NPI number for Michelle Lee is 1528592870. It was assigned to this individual provider in the NPPES registry on April 13, 2017.
Where is Michelle Lee located?
Michelle Lee practices at 7901 Walker St, La Palma, CA 90623. The listed phone number is (714) 670-7400.
What is Michelle Lee's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Michelle Lee enrolled in Medicare?
Yes. Michelle Lee is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Michelle Lee's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michelle Lee reassigns Medicare benefits to 2 organizations: Orange County Emergency Medical Associates, Inc. (La Palma, CA) and Southern California Permanente Medical Group (Fullerton, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Michelle Lee's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Michelle Lee was last updated on November 30, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.